
Cooling subsystem System Event Log Troubleshooting Guide for Intel® S5500/S3420 series Server Boards
38 Intel order number G74211-001 Revision 1.0
Event Direction and
Event Type
[7] Event direction
0b = Assertion Event
1b = Deassertion Event
[6:0] Event Type = 01h (Threshold)
[7:6] – 01b = Trigger reading in Event Data 2
[5:4] – 01b = Trigger threshold in Event Data 3
[3:0] – Event Triggers as described in Table 37
Reading that triggered event.
Threshold value that triggered event.
Table 37: Thermal Margin Sensors Event Triggers – Description
Upper non critical
going high
The thermal margin has gone over its upper non critical threshold.
Upper critical
going high
The thermal margin has gone over its upper critical threshold.
Table 38: Thermal Margin Sensors – Next Steps
1. Check for clear and unobstructed airflow into and out of chassis.
2. Ensure SDR is programmed and correct chassis has been selected.
3. Ensure there are no fan failures.
4. Ensure the air used to cool the system is within the thermal specifications for the system (typically below 35°C).
Not a logged SEL event. Sensor is used for thermal management of the processor.
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